class_docstr: Represents a penalty proportional to the sum of the absolute values of the parameters
code: def __call__(self, parameter):
      return self.alpha * torch.sum(torch.abs(parameter))
  
file_path: magnitude/pymagnitude/third_party/allennlp/nn/regularizers/regularizers.py
imports: from __future__ import absolute_import
  import torch
  from allennlp.nn.regularizers.regularizer import Regularizer
label_desc: Use image node_id 2 for calling the L1Regularizer obj's underlying member method code with example usage: obj.__call__(parameter) and returns: unknown